kvartti
Kvartti is a term used in Finnish and other Nordic languages to denote a quarter of a city, typically referring to a subdivision such as a city block or part of a larger district. In contemporary Finnish, the more common words for such concepts are kvartal (a city block) and kaupunginosa (neighborhood). Kvartti appears primarily in historical texts, archival maps, and literary usage as a variant or older form of kvartal.
The word is borrowed from Swedish kvartal or German Quartier, sharing the meaning of a quarter or
Today, kvartti is not widely used in official Finnish language and is mainly encountered in historical writing